500140625 has 14 divisors (see below), whose sum is σ = 625187310. Its totient is φ = 400100000.

The previous prime is 500140621. The next prime is 500140631. The reversal of 500140625 is 526041005.

It can be written as a sum of positive squares in 7 ways, for example, as 419266576 + 80874049 = 20476^2 + 8993^2 .

It is not a de Polignac number, because 500140625 - 2² = 500140621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 500140625.

It is not an unprimeable number, because it can be changed into a prime (500140621) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 380 + ... + 31629.

Almost surely, 2^500140625 is an apocalyptic number.

It is an amenable number.

500140625 is a deficient number, since it is larger than the sum of its proper divisors (125046685).

500140625 is an frugal number, since it uses more digits than its factorization.

500140625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32039 (or 32014 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 500140625 is about 22363.8240245268. The cubic root of 500140625 is about 793.7749284336.

The spelling of 500140625 in words is "five hundred million, one hundred forty thousand, six hundred twenty-five".